1. Faculty of Nursing and Midwifery University of Iceland Reykjavik Iceland
2. Reykjavik Birth Center Reykjavik Iceland
3. Faculty of Medicine, Center of Public Health Sciences University of Iceland Reykjavik Iceland
4. Department of Obstetrics and Gynecology Landspitali ‐ The National University Hospital of Iceland Reykjavik Iceland
5. Faculty of Medicine University of Iceland Reykjavik Iceland
6. Faculty of Medicine and Health, School of Population Health University of New South Wales Sydney Australia